Finding the Third Proportional to 533,391 and 1,259,118

Step by Step Solution

1. Step 1: Write the proportion equation
   533,391 : 1,259,118 = 1,259,118 : x
2. Step 2: Convert to fraction form
   533,391/1,259,118 = 1,259,118/x
3. Step 3: Cross multiply
   533,391x = 1,259,118 × 1,259,118
4. Step 4: Simplify right side
   533,391x = 1,585,378,137,924
5. Step 5: Solve for x
   x = 1,585,378,137,924/533,391
6. Step 6: Final answer
   x = 2,972,262.63